libyui-ncurses
2.44.1
|
00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: NCLogView.cc 00020 00021 Author: Michael Andres <ma@suse.de> 00022 00023 /-*/ 00024 00025 #define YUILogComponent "ncurses" 00026 #include <yui/YUILog.h> 00027 #include "NCLogView.h" 00028 00029 00030 NCLogView::NCLogView( YWidget * parent, 00031 const std::string & nlabel, 00032 int visibleLines, 00033 int maxLines ) 00034 : YLogView( parent, nlabel, visibleLines, maxLines ) 00035 , NCPadWidget( parent ) 00036 { 00037 yuiDebug() << std::endl; 00038 defsze = wsze( visibleLines, 5 ) + 2; 00039 setLabel( nlabel ); 00040 } 00041 00042 00043 NCLogView::~NCLogView() 00044 { 00045 yuiDebug() << std::endl; 00046 } 00047 00048 00049 int NCLogView::preferredWidth() 00050 { 00051 defsze.W = ( 5 > labelWidth() ? 5 : labelWidth() ) + 2; 00052 return wGetDefsze().W; 00053 } 00054 00055 00056 int NCLogView::preferredHeight() 00057 { 00058 return wGetDefsze().H; 00059 } 00060 00061 00062 void NCLogView::setEnabled( bool do_bv ) 00063 { 00064 NCWidget::setEnabled( do_bv ); 00065 YLogView::setEnabled( do_bv ); 00066 } 00067 00068 00069 void NCLogView::setSize( int newwidth, int newheight ) 00070 { 00071 wRelocate( wpos( 0 ), wsze( newheight, newwidth ) ); 00072 } 00073 00074 00075 void NCLogView::setLabel( const std::string & nlabel ) 00076 { 00077 YLogView::setLabel( nlabel ); 00078 NCPadWidget::setLabel( NCstring( nlabel ) ); 00079 } 00080 00081 00082 void NCLogView::displayLogText( const std::string & ntext ) 00083 { 00084 DelPad(); 00085 text = NCtext( NCstring( ntext ), Columns() ); 00086 Redraw(); 00087 } 00088 00089 00090 void NCLogView::wRedraw() 00091 { 00092 if ( !win ) 00093 return; 00094 00095 bool initial = ( !myPad() || !myPad()->Destwin() ); 00096 00097 if ( myPad() ) 00098 myPad()->bkgd( listStyle().item.plain ); 00099 00100 NCPadWidget::wRedraw(); 00101 00102 if ( initial ) 00103 myPad()->ScrlTo( wpos( text.Lines(), 0 ) ); 00104 } 00105 00106 00107 void NCLogView::wRecoded() 00108 { 00109 DelPad(); 00110 wRedraw(); 00111 } 00112 00113 00114 NCursesEvent NCLogView::wHandleInput( wint_t key ) 00115 { 00116 handleInput( key ); 00117 return NCursesEvent::none; 00118 } 00119 00120 00121 NCPad * NCLogView::CreatePad() 00122 { 00123 wsze psze( defPadSze() ); 00124 NCPad * npad = new NCPad( psze.H, psze.W, *this ); 00125 npad->bkgd( listStyle().item.plain ); 00126 return npad; 00127 } 00128 00129 00130 void NCLogView::DrawPad() 00131 { 00132 // maximal value for lines is 32000! 00133 unsigned int maxLines = 20000; 00134 unsigned int skipLines = 0; 00135 unsigned int lines = text.Lines(); 00136 unsigned int cl = 0; 00137 00138 if ( lines > maxLines ) 00139 { 00140 skipLines = lines - maxLines; 00141 lines = maxLines; 00142 } 00143 00144 AdjustPad( wsze( lines, Columns() ) ); 00145 00146 for ( NCtext::const_iterator line = text.begin(); line != text.end(); ++line ) 00147 { 00148 if ( skipLines == 0 ) 00149 { 00150 myPad()->move( cl++, 0 ); 00151 std::wstring cline = ( *line ).str(); 00152 myPad()->addwstr( cline.c_str() ); 00153 } 00154 else 00155 { 00156 skipLines--; 00157 } 00158 } 00159 } 00160